Foot air-accelerator for hydrocarbon-motors.



E. BUSSEY. FOOT MR ACCELERATOR FOR HYDROCARBON MOTORS, APPLICATION FILEDJUNE 29.1916.

1 ,21 8,927. Patented Mar. 13, 191" Y the engine;

sa'me.

UNITED STATES PATENT OFFICE.

ERNEST BUSSEY, OF DOTHAN, ALABAMA, ASSIGN OR '10 FOOT AIR ACCELERATORCOM- I I PANY, OF CINCINNATI, OHIO, A CORPORATION OF ALABAMA.

FOOT AIR-ACCELERATOR FOR HYDROCARBON-MOTORS.

Specification of Letters Patent.

Patented Mar. 1 3, 1917.

Application filed June 29, 1916. Serial N 0. 106,718.

To all whom it may concern:

Be it known that I, ERNEST BUSSEY, a citizen of the United States, andresident of Dothan, county of Houston, State of 5 Alabama, have inventedcertain new and useful Improvements in Foot Air-Accelerators forHydrocarbon-Motors, of which the following is a specification.

This invention relates to an air accel- 19 erator for internalcombustion engines. The objects of the invention are'to provide a simpleair valve which may be attached to the intake manifold of an internalcombustion engine between the carbureter and to provide easily attachedand adjustable connections so that the valve may be operated from a footpedal; to provide a valve all the parts of which. are inclosed and thusprotected from dirt, grit, etc.; to'

2 0 provide means for furnishing the intake of the valve with heatedair; and to provide- 2 1 "1 "features of the invention will be describedAt th in connection with the drawings and point- 7 fed outin theappended claims.

" y the drawings, .inwhich like refer' ence characters indicate thesamepart in the different views,

80 Figure 1 is a perspectivev view showing the location of the valve andthe arrangement of th operating connections to the Fig. 2 is alongitudinal sectional view through the valve.

v drawings the valve is adapted to be attached to the intake manifold ofthe engine in and operated by afoot pedal which may ex- As clearly shownin the j '40 tend through the foot board of the machine l and isconnected to the valve in any suitable manner. 'The valve is actuatedtoadmit air to the intake manifold to accelerate the speed of the enginewhen desirable. If

the carbureter is set so that the engine will operate properly at lowspeeds, the mixture at higher speeds is richer than necessary.Consequently, if air is admitted, the engine will speed up, operatingmore satisfactorily and using less gasolene. With the spark and gaslevers of the engine at a certain setting, opening the air acceleratorvalve will cause the engine to speed up to a certain higher speed, butany further opening of the air valve will dilute the mixture too anautomobile,

much and the engine will then operate improperly. Hence the air valvemay be used to accelerate the speed of the engine to a certain amountwhich may be called the critical speed. For example, if the automobileis running at the rate of fifteen miles an hour, the foot air valvemight increase thespeed to twenty miles an hour.

The valve comprises a body portion 10 which is reduced at one end toprovide a threaded nipple 11, whereby the valve is attached to theintake manifold of the engine. The other end of the body 10 iscylindricalforming a boss 12 which is enlarged as at 13, thereby forminga shoulder 14. The enlarged'p0rtion13 is threaded and adapted to receivethe hollow cap 15, so that the outer'surface of the cap and main part ofthe body arefiush. The body part 10 is formed with a bore 16 and acounter-bore 17 at the nipple end. The counter-bore forms an airchamber, and is furnished with an opening 18 through the-side -of thebody.

e nipple end, the counter-bore is formed 'with a bevel seat 19, and avalve 20 is adapted to close this end of the counterbore or air chamber,and cotiperates with the seat 19 for this purpose. The stem 21 of thevalve extends through the air chamber 17 and slidingly fits the bore 16.-The an annular groove 26 in its face to gform a seat for the end of thespring. The maximum suction or reduction of pressure in the intakemanifold occurs when the thrott e valve is substantially closed. As' thevalve is opened the suction is less. The spring 25 is of such strengththat the valve will be held to its seat against the greatest suctionthat may obtain in the intake manifold. The pressure exerted by thespring may be adjusted by manipulating the nuts 23 and 24.

The spring,nuts and end of valve stem are adapted to be inclosed by acap or housing 1 5. The housing is formed with a slot 27 adjacent thenuts 23 and 24 and with an apertured car 28 on each side of the same. Apin 29 is secured in the apertures of the ears in any suitable mannerand is adapted to pivotally support a bent lever 30.

arm of the lever is bent to act on the end in proportion'to the extentof movement of of the valve stem, the other arm extending the foot pad.The spring 25 will return the substantially parallel to the wall of thecap, parts to their normal or closed position. and is apertured at itsend to have fastened Thus it will be apparent that a very efiithereto inany suitable manner a rod or, link cient and easily operated means hasbeen 31. The link is bent to pass around the cap provided for quicklyaccelerating the speed 15 and has its other end forked as at 32, of anautomobile engine. Although a preand is furnished with a turn buckle 33,ferred form of the invention has been dewhereby it may be adjustedto fitdifierent scribed, it is obvious that many of the parts makes ofautomobiles. A rod'has a straight may be varied without departing fromthe portion 34: pivotally mounted on the dash spirit of the invention.-

by anysuitable means as the clips 35. The Having described the inventionwhat'is straight portion has an arm 36 at one end claimed is:

pivotally connected to the fork 32, and at An air valve adapted to beattached to the other end an arm 37 which is bent .to the inlet manifoldof an internal combusextend through. the floor board of the autotionengine comprising a body formed with mobile and terminates in a foot pad38. an air chamber open at one end thereof an Obviously the abovedescribed means for having an air inlet, a nipple at said end foroperating the valve from the floor board attaching the valve to theinlet manifold,

' adjacent the operator of the automobile said nipple formed with avalve seat, a valve may be varied. cooperating with said seat and havinga The opening 18 to the air chamber 17 may stem extending through thebody and prohave a hot air pipe 39 mounted therein, and jecting beyondthe same, spring means to extending to the exhaust pipeor other reclosethe valve against the difference of air tor the valve. The pipe'may beof any cylindrical cap carried by the body and 1nsuitable' shape andmaterial; closing said spring and stem and carrying From the abovedescription it will beobmeans cooperating with the stem "for actuviousthat when the foot pad is pushed ating the valve.

downward, the lever 30vwill be moved to In testimony whereofl afiix mysignature. act on the end of stem 21 and open the valve, ERNEST BUSSEY.

ion of hot air, to thereby furnish heated pressure in the chamber andmanifold,- a

